MIL-DTL-10215M
3.4.1 Speedometer. When tested as specified in 4.5.2.1, the speedometer shall accurately
indicate the vehicle speed when the drive shaft is rotated at the specified speeds.
3.4.2 Tachometer. When tested as specified in 4.5.2.2, the tachometer pointers shall
accurately indicate a rotating speed on the dial twice that of the drive shaft speed.
3.4.3 Odometer. When tested as specified in 4.5.2.3, the odometer-indicated mileage shall
be compared with the actual mileage.
3.4.4 Engine hour meter. When tested as specified in 4.5.2.4, engine operation shall be
recorded in hours by the engine hour meter on the tachometer.
3.4.5 Flexible shaft assembly, core assembly and adapter. When tested as specified in
4.5.2.5, the speedometer s pointer shall be observed.
3.5 Painting. Unless otherwise specified (see 6.2), cleaning, pretreatment, priming and
painting shall conform to the appropriate CARC paint system selected from U.S. Army drawing
number 12369000. When instrument bezels made of stainless steel are used, they shall be
passivated in accordance with ASTM A380, primer washed in accordance with DOD-P-15328 or
when not permitted by contract, a hexavalent chromium free equivalent, and finish painted in
accordance with MIL-DTL-64159 or MIL-DTL-53039, color Green 383, to a dry film thickness of
of a vehicle or system, they shall be finish painted with an epoxy topcoat in accordance with MIL-
PRF-22750, colors Green 34094 or 34095, to a dry film thickness of 1.3 to 1.7 mils.
3.6 Identification and marking. Unless otherwise specified (see 6.2), identification and
marking of the items shall be in accordance with MIL-STD-130. As a minimum, it shall consist
of the manufacturer's CAGE code and the applicable military part number. All markings shall be
permanently and legibly printed or stamped on the dial of the speedometers and tachometers, on
the casings of the flexible shaft assemblies and on the housing of the adapters. The drive ratio
and date of manufacture shall also be marked on the housing of all adapters, and the flexible
shaft assembly cores shall be tagged.
3.7 Workmanship. Components shall be free of defects such as rust, burrs and sharp
edges that may result in injury of personnel (see 4.5.1). All solder cleaning agents and flux shall
be non-corrosive. All traces of flux shall be removed from soldering.
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